| Index | Castle Shannon | Pennsylvania | National |
| Average Test Scores | n/a | 55% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 2,563 | 79,221 |
| Total private schools | n/a | 1,626 | 24,874 |
| Total post-secondary schools | n/a | 406 | 7,963 |
| Index | Castle Shannon | Pennsylvania | National |
| Completed 8th grade | 91.2% | 86.9% | 84.3% |
| Completed high school | 90.7% | 85.6% | 83.0% |
| Completed some college | 56.6% | 53.6% | 59.4% |
| Completed associate degree | 37.8% | 37.4% | 38.5% |
| Completed bachelors | 30.1% | 29.3% | 30.3% |
| Completed masters | 8.0% | 11.5% | 11.5% |
| Completed professional degree | 1.9% | 3.3% | 3.3% |
| Completed doctorate | 1.1% | 1.4% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Castle Shannon. Using the proficiency score averages, the average test scores for Castle Shannon, PA schools is n/a. The average student to teacher ratio is n/a. In Castle Shannon, PA, an average of 91.2% of students have completed 8th grade and an average of 90.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| McMurray, PA | 4,167 | 88% | 83.6% |
| McDonald, PA | 2,282 | 85% | 77.8% |
| Leetsdale, PA | 1,130 | 85% | 76.0% |
| Sewickley, PA | 3,800 | 81% | 67.7% |
| Allison Park, PA | 22,623 | 80% | 67.2% |
| Castle Shannon, PA | 8,249 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Oberlin, OH | 8,252 | 68% | 42.3% |
| Cuero, TX | 8,246 | 42% | 12.5% |
| Spotswood, NJ | 8,255 | 57% | 18.8% |
| Bryan, OH | 8,243 | 69% | 43.2% |
| Othello, WA | 8,241 | 33% | 32.3% |
| Castle Shannon, PA | 8,249 | n/a |
Here are the best places to live in Pennsylvania
These are the 10 cheapest cities in Pennsylvania
Check out the 10 most dangerous cities in Pennsylvania
See the best places to live in Castle Shannon